1 /*******************************************************************************
3 * Intel Ethernet Controller XL710 Family Linux Driver
4 * Copyright(c) 2013 - 2014 Intel Corporation.
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms and conditions of the GNU General Public License,
8 * version 2, as published by the Free Software Foundation.
10 * This program is distributed in the hope it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 * You should have received a copy of the GNU General Public License along
16 * with this program. If not, see <http://www.gnu.org/licenses/>.
18 * The full GNU General Public License is included in this distribution in
19 * the file called "COPYING".
21 * Contact Information:
22 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25 ******************************************************************************/
27 #include "i40e_adminq.h"
28 #include "i40e_prototype.h"
32 * i40e_get_dcbx_status
33 * @hw: pointer to the hw struct
34 * @status: Embedded DCBX Engine Status
36 * Get the DCBX status from the Firmware
38 i40e_status
i40e_get_dcbx_status(struct i40e_hw
*hw
, u16
*status
)
43 return I40E_ERR_PARAM
;
45 reg
= rd32(hw
, I40E_PRTDCB_GENS
);
46 *status
= (u16
)((reg
& I40E_PRTDCB_GENS_DCBX_STATUS_MASK
) >>
47 I40E_PRTDCB_GENS_DCBX_STATUS_SHIFT
);
53 * i40e_parse_ieee_etscfg_tlv
54 * @tlv: IEEE 802.1Qaz ETS CFG TLV
55 * @dcbcfg: Local store to update ETS CFG data
57 * Parses IEEE 802.1Qaz ETS CFG TLV
59 static void i40e_parse_ieee_etscfg_tlv(struct i40e_lldp_org_tlv
*tlv
,
60 struct i40e_dcbx_config
*dcbcfg
)
62 struct i40e_dcb_ets_config
*etscfg
;
63 u8
*buf
= tlv
->tlvinfo
;
68 /* First Octet post subtype
69 * --------------------------
70 * |will-|CBS | Re- | Max |
71 * |ing | |served| TCs |
72 * --------------------------
73 * |1bit | 1bit|3 bits|3bits|
75 etscfg
= &dcbcfg
->etscfg
;
76 etscfg
->willing
= (u8
)((buf
[offset
] & I40E_IEEE_ETS_WILLING_MASK
) >>
77 I40E_IEEE_ETS_WILLING_SHIFT
);
78 etscfg
->cbs
= (u8
)((buf
[offset
] & I40E_IEEE_ETS_CBS_MASK
) >>
79 I40E_IEEE_ETS_CBS_SHIFT
);
80 etscfg
->maxtcs
= (u8
)((buf
[offset
] & I40E_IEEE_ETS_MAXTC_MASK
) >>
81 I40E_IEEE_ETS_MAXTC_SHIFT
);
83 /* Move offset to Priority Assignment Table */
86 /* Priority Assignment Table (4 octets)
87 * Octets:| 1 | 2 | 3 | 4 |
88 * -----------------------------------------
89 * |pri0|pri1|pri2|pri3|pri4|pri5|pri6|pri7|
90 * -----------------------------------------
91 * Bits:|7 4|3 0|7 4|3 0|7 4|3 0|7 4|3 0|
92 * -----------------------------------------
94 for (i
= 0; i
< 4; i
++) {
95 priority
= (u8
)((buf
[offset
] & I40E_IEEE_ETS_PRIO_1_MASK
) >>
96 I40E_IEEE_ETS_PRIO_1_SHIFT
);
97 etscfg
->prioritytable
[i
* 2] = priority
;
98 priority
= (u8
)((buf
[offset
] & I40E_IEEE_ETS_PRIO_0_MASK
) >>
99 I40E_IEEE_ETS_PRIO_0_SHIFT
);
100 etscfg
->prioritytable
[i
* 2 + 1] = priority
;
104 /* TC Bandwidth Table (8 octets)
105 * Octets:| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
106 * ---------------------------------
107 * |tc0|tc1|tc2|tc3|tc4|tc5|tc6|tc7|
108 * ---------------------------------
110 for (i
= 0; i
< I40E_MAX_TRAFFIC_CLASS
; i
++)
111 etscfg
->tcbwtable
[i
] = buf
[offset
++];
113 /* TSA Assignment Table (8 octets)
114 * Octets:| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
115 * ---------------------------------
116 * |tc0|tc1|tc2|tc3|tc4|tc5|tc6|tc7|
117 * ---------------------------------
119 for (i
= 0; i
< I40E_MAX_TRAFFIC_CLASS
; i
++)
120 etscfg
->tsatable
[i
] = buf
[offset
++];
124 * i40e_parse_ieee_etsrec_tlv
125 * @tlv: IEEE 802.1Qaz ETS REC TLV
126 * @dcbcfg: Local store to update ETS REC data
128 * Parses IEEE 802.1Qaz ETS REC TLV
130 static void i40e_parse_ieee_etsrec_tlv(struct i40e_lldp_org_tlv
*tlv
,
131 struct i40e_dcbx_config
*dcbcfg
)
133 u8
*buf
= tlv
->tlvinfo
;
138 /* Move offset to priority table */
141 /* Priority Assignment Table (4 octets)
142 * Octets:| 1 | 2 | 3 | 4 |
143 * -----------------------------------------
144 * |pri0|pri1|pri2|pri3|pri4|pri5|pri6|pri7|
145 * -----------------------------------------
146 * Bits:|7 4|3 0|7 4|3 0|7 4|3 0|7 4|3 0|
147 * -----------------------------------------
149 for (i
= 0; i
< 4; i
++) {
150 priority
= (u8
)((buf
[offset
] & I40E_IEEE_ETS_PRIO_1_MASK
) >>
151 I40E_IEEE_ETS_PRIO_1_SHIFT
);
152 dcbcfg
->etsrec
.prioritytable
[i
*2] = priority
;
153 priority
= (u8
)((buf
[offset
] & I40E_IEEE_ETS_PRIO_0_MASK
) >>
154 I40E_IEEE_ETS_PRIO_0_SHIFT
);
155 dcbcfg
->etsrec
.prioritytable
[i
*2 + 1] = priority
;
159 /* TC Bandwidth Table (8 octets)
160 * Octets:| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
161 * ---------------------------------
162 * |tc0|tc1|tc2|tc3|tc4|tc5|tc6|tc7|
163 * ---------------------------------
165 for (i
= 0; i
< I40E_MAX_TRAFFIC_CLASS
; i
++)
166 dcbcfg
->etsrec
.tcbwtable
[i
] = buf
[offset
++];
168 /* TSA Assignment Table (8 octets)
169 * Octets:| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
170 * ---------------------------------
171 * |tc0|tc1|tc2|tc3|tc4|tc5|tc6|tc7|
172 * ---------------------------------
174 for (i
= 0; i
< I40E_MAX_TRAFFIC_CLASS
; i
++)
175 dcbcfg
->etsrec
.tsatable
[i
] = buf
[offset
++];
179 * i40e_parse_ieee_pfccfg_tlv
180 * @tlv: IEEE 802.1Qaz PFC CFG TLV
181 * @dcbcfg: Local store to update PFC CFG data
183 * Parses IEEE 802.1Qaz PFC CFG TLV
185 static void i40e_parse_ieee_pfccfg_tlv(struct i40e_lldp_org_tlv
*tlv
,
186 struct i40e_dcbx_config
*dcbcfg
)
188 u8
*buf
= tlv
->tlvinfo
;
190 /* ----------------------------------------
191 * |will-|MBC | Re- | PFC | PFC Enable |
192 * |ing | |served| cap | |
193 * -----------------------------------------
194 * |1bit | 1bit|2 bits|4bits| 1 octet |
196 dcbcfg
->pfc
.willing
= (u8
)((buf
[0] & I40E_IEEE_PFC_WILLING_MASK
) >>
197 I40E_IEEE_PFC_WILLING_SHIFT
);
198 dcbcfg
->pfc
.mbc
= (u8
)((buf
[0] & I40E_IEEE_PFC_MBC_MASK
) >>
199 I40E_IEEE_PFC_MBC_SHIFT
);
200 dcbcfg
->pfc
.pfccap
= (u8
)((buf
[0] & I40E_IEEE_PFC_CAP_MASK
) >>
201 I40E_IEEE_PFC_CAP_SHIFT
);
202 dcbcfg
->pfc
.pfcenable
= buf
[1];
206 * i40e_parse_ieee_app_tlv
207 * @tlv: IEEE 802.1Qaz APP TLV
208 * @dcbcfg: Local store to update APP PRIO data
210 * Parses IEEE 802.1Qaz APP PRIO TLV
212 static void i40e_parse_ieee_app_tlv(struct i40e_lldp_org_tlv
*tlv
,
213 struct i40e_dcbx_config
*dcbcfg
)
221 typelength
= ntohs(tlv
->typelength
);
222 length
= (u16
)((typelength
& I40E_LLDP_TLV_LEN_MASK
) >>
223 I40E_LLDP_TLV_LEN_SHIFT
);
226 /* The App priority table starts 5 octets after TLV header */
227 length
-= (sizeof(tlv
->ouisubtype
) + 1);
229 /* Move offset to App Priority Table */
232 /* Application Priority Table (3 octets)
233 * Octets:| 1 | 2 | 3 |
234 * -----------------------------------------
235 * |Priority|Rsrvd| Sel | Protocol ID |
236 * -----------------------------------------
237 * Bits:|23 21|20 19|18 16|15 0|
238 * -----------------------------------------
240 while (offset
< length
) {
241 dcbcfg
->app
[i
].priority
= (u8
)((buf
[offset
] &
242 I40E_IEEE_APP_PRIO_MASK
) >>
243 I40E_IEEE_APP_PRIO_SHIFT
);
244 dcbcfg
->app
[i
].selector
= (u8
)((buf
[offset
] &
245 I40E_IEEE_APP_SEL_MASK
) >>
246 I40E_IEEE_APP_SEL_SHIFT
);
247 dcbcfg
->app
[i
].protocolid
= (buf
[offset
+ 1] << 0x8) |
249 /* Move to next app */
252 if (i
>= I40E_DCBX_MAX_APPS
)
260 * i40e_parse_ieee_etsrec_tlv
261 * @tlv: IEEE 802.1Qaz TLV
262 * @dcbcfg: Local store to update ETS REC data
264 * Get the TLV subtype and send it to parsing function
265 * based on the subtype value
267 static void i40e_parse_ieee_tlv(struct i40e_lldp_org_tlv
*tlv
,
268 struct i40e_dcbx_config
*dcbcfg
)
273 ouisubtype
= ntohl(tlv
->ouisubtype
);
274 subtype
= (u8
)((ouisubtype
& I40E_LLDP_TLV_SUBTYPE_MASK
) >>
275 I40E_LLDP_TLV_SUBTYPE_SHIFT
);
277 case I40E_IEEE_SUBTYPE_ETS_CFG
:
278 i40e_parse_ieee_etscfg_tlv(tlv
, dcbcfg
);
280 case I40E_IEEE_SUBTYPE_ETS_REC
:
281 i40e_parse_ieee_etsrec_tlv(tlv
, dcbcfg
);
283 case I40E_IEEE_SUBTYPE_PFC_CFG
:
284 i40e_parse_ieee_pfccfg_tlv(tlv
, dcbcfg
);
286 case I40E_IEEE_SUBTYPE_APP_PRI
:
287 i40e_parse_ieee_app_tlv(tlv
, dcbcfg
);
296 * @tlv: Organization specific TLV
297 * @dcbcfg: Local store to update ETS REC data
299 * Currently only IEEE 802.1Qaz TLV is supported, all others
302 static void i40e_parse_org_tlv(struct i40e_lldp_org_tlv
*tlv
,
303 struct i40e_dcbx_config
*dcbcfg
)
308 ouisubtype
= ntohl(tlv
->ouisubtype
);
309 oui
= (u32
)((ouisubtype
& I40E_LLDP_TLV_OUI_MASK
) >>
310 I40E_LLDP_TLV_OUI_SHIFT
);
312 case I40E_IEEE_8021QAZ_OUI
:
313 i40e_parse_ieee_tlv(tlv
, dcbcfg
);
321 * i40e_lldp_to_dcb_config
322 * @lldpmib: LLDPDU to be parsed
323 * @dcbcfg: store for LLDPDU data
325 * Parse DCB configuration from the LLDPDU
327 i40e_status
i40e_lldp_to_dcb_config(u8
*lldpmib
,
328 struct i40e_dcbx_config
*dcbcfg
)
331 struct i40e_lldp_org_tlv
*tlv
;
337 if (!lldpmib
|| !dcbcfg
)
338 return I40E_ERR_PARAM
;
340 /* set to the start of LLDPDU */
342 tlv
= (struct i40e_lldp_org_tlv
*)lldpmib
;
344 typelength
= ntohs(tlv
->typelength
);
345 type
= (u16
)((typelength
& I40E_LLDP_TLV_TYPE_MASK
) >>
346 I40E_LLDP_TLV_TYPE_SHIFT
);
347 length
= (u16
)((typelength
& I40E_LLDP_TLV_LEN_MASK
) >>
348 I40E_LLDP_TLV_LEN_SHIFT
);
349 offset
+= sizeof(typelength
) + length
;
351 /* END TLV or beyond LLDPDU size */
352 if ((type
== I40E_TLV_TYPE_END
) || (offset
> I40E_LLDPDU_SIZE
))
356 case I40E_TLV_TYPE_ORG
:
357 i40e_parse_org_tlv(tlv
, dcbcfg
);
363 /* Move to next TLV */
364 tlv
= (struct i40e_lldp_org_tlv
*)((char *)tlv
+
365 sizeof(tlv
->typelength
) +
373 * i40e_aq_get_dcb_config
374 * @hw: pointer to the hw struct
375 * @mib_type: mib type for the query
376 * @bridgetype: bridge type for the query (remote)
377 * @dcbcfg: store for LLDPDU data
379 * Query DCB configuration from the Firmware
381 i40e_status
i40e_aq_get_dcb_config(struct i40e_hw
*hw
, u8 mib_type
,
383 struct i40e_dcbx_config
*dcbcfg
)
386 struct i40e_virt_mem mem
;
389 /* Allocate the LLDPDU */
390 ret
= i40e_allocate_virt_mem(hw
, &mem
, I40E_LLDPDU_SIZE
);
394 lldpmib
= (u8
*)mem
.va
;
395 ret
= i40e_aq_get_lldp_mib(hw
, bridgetype
, mib_type
,
396 (void *)lldpmib
, I40E_LLDPDU_SIZE
,
401 /* Parse LLDP MIB to get dcb configuration */
402 ret
= i40e_lldp_to_dcb_config(lldpmib
, dcbcfg
);
405 i40e_free_virt_mem(hw
, &mem
);
410 * i40e_cee_to_dcb_v1_config
411 * @cee_cfg: pointer to CEE v1 response configuration struct
412 * @dcbcfg: DCB configuration struct
414 * Convert CEE v1 configuration from firmware to DCB configuration
416 static void i40e_cee_to_dcb_v1_config(
417 struct i40e_aqc_get_cee_dcb_cfg_v1_resp
*cee_cfg
,
418 struct i40e_dcbx_config
*dcbcfg
)
420 u16 status
, tlv_status
= le16_to_cpu(cee_cfg
->tlv_status
);
421 u16 app_prio
= le16_to_cpu(cee_cfg
->oper_app_prio
);
424 /* CEE PG data to ETS config */
425 dcbcfg
->etscfg
.maxtcs
= cee_cfg
->oper_num_tc
;
427 for (i
= 0; i
< 4; i
++) {
428 tc
= (u8
)((cee_cfg
->oper_prio_tc
[i
] &
429 I40E_CEE_PGID_PRIO_1_MASK
) >>
430 I40E_CEE_PGID_PRIO_1_SHIFT
);
431 dcbcfg
->etscfg
.prioritytable
[i
*2] = tc
;
432 tc
= (u8
)((cee_cfg
->oper_prio_tc
[i
] &
433 I40E_CEE_PGID_PRIO_0_MASK
) >>
434 I40E_CEE_PGID_PRIO_0_SHIFT
);
435 dcbcfg
->etscfg
.prioritytable
[i
*2 + 1] = tc
;
438 for (i
= 0; i
< I40E_MAX_TRAFFIC_CLASS
; i
++)
439 dcbcfg
->etscfg
.tcbwtable
[i
] = cee_cfg
->oper_tc_bw
[i
];
441 for (i
= 0; i
< I40E_MAX_TRAFFIC_CLASS
; i
++) {
442 if (dcbcfg
->etscfg
.prioritytable
[i
] == I40E_CEE_PGID_STRICT
) {
443 /* Map it to next empty TC */
444 dcbcfg
->etscfg
.prioritytable
[i
] =
445 cee_cfg
->oper_num_tc
- 1;
446 dcbcfg
->etscfg
.tsatable
[i
] = I40E_IEEE_TSA_STRICT
;
448 dcbcfg
->etscfg
.tsatable
[i
] = I40E_IEEE_TSA_ETS
;
452 /* CEE PFC data to ETS config */
453 dcbcfg
->pfc
.pfcenable
= cee_cfg
->oper_pfc_en
;
454 dcbcfg
->pfc
.pfccap
= I40E_MAX_TRAFFIC_CLASS
;
456 status
= (tlv_status
& I40E_AQC_CEE_APP_STATUS_MASK
) >>
457 I40E_AQC_CEE_APP_STATUS_SHIFT
;
458 err
= (status
& I40E_TLV_STATUS_ERR
) ? 1 : 0;
459 /* Add APPs if Error is False */
461 /* CEE operating configuration supports FCoE/iSCSI/FIP only */
462 dcbcfg
->numapps
= I40E_CEE_OPER_MAX_APPS
;
465 dcbcfg
->app
[0].priority
=
466 (app_prio
& I40E_AQC_CEE_APP_FCOE_MASK
) >>
467 I40E_AQC_CEE_APP_FCOE_SHIFT
;
468 dcbcfg
->app
[0].selector
= I40E_APP_SEL_ETHTYPE
;
469 dcbcfg
->app
[0].protocolid
= I40E_APP_PROTOID_FCOE
;
472 dcbcfg
->app
[1].priority
=
473 (app_prio
& I40E_AQC_CEE_APP_ISCSI_MASK
) >>
474 I40E_AQC_CEE_APP_ISCSI_SHIFT
;
475 dcbcfg
->app
[1].selector
= I40E_APP_SEL_TCPIP
;
476 dcbcfg
->app
[1].protocolid
= I40E_APP_PROTOID_ISCSI
;
479 dcbcfg
->app
[2].priority
=
480 (app_prio
& I40E_AQC_CEE_APP_FIP_MASK
) >>
481 I40E_AQC_CEE_APP_FIP_SHIFT
;
482 dcbcfg
->app
[2].selector
= I40E_APP_SEL_ETHTYPE
;
483 dcbcfg
->app
[2].protocolid
= I40E_APP_PROTOID_FIP
;
488 * i40e_cee_to_dcb_config
489 * @cee_cfg: pointer to CEE configuration struct
490 * @dcbcfg: DCB configuration struct
492 * Convert CEE configuration from firmware to DCB configuration
494 static void i40e_cee_to_dcb_config(
495 struct i40e_aqc_get_cee_dcb_cfg_resp
*cee_cfg
,
496 struct i40e_dcbx_config
*dcbcfg
)
498 u32 status
, tlv_status
= le32_to_cpu(cee_cfg
->tlv_status
);
499 u16 app_prio
= le16_to_cpu(cee_cfg
->oper_app_prio
);
500 u8 i
, tc
, err
, sync
, oper
;
502 /* CEE PG data to ETS config */
503 dcbcfg
->etscfg
.maxtcs
= cee_cfg
->oper_num_tc
;
505 for (i
= 0; i
< 4; i
++) {
506 tc
= (u8
)((cee_cfg
->oper_prio_tc
[i
] &
507 I40E_CEE_PGID_PRIO_1_MASK
) >>
508 I40E_CEE_PGID_PRIO_1_SHIFT
);
509 dcbcfg
->etscfg
.prioritytable
[i
*2] = tc
;
510 tc
= (u8
)((cee_cfg
->oper_prio_tc
[i
] &
511 I40E_CEE_PGID_PRIO_0_MASK
) >>
512 I40E_CEE_PGID_PRIO_0_SHIFT
);
513 dcbcfg
->etscfg
.prioritytable
[i
*2 + 1] = tc
;
516 for (i
= 0; i
< I40E_MAX_TRAFFIC_CLASS
; i
++)
517 dcbcfg
->etscfg
.tcbwtable
[i
] = cee_cfg
->oper_tc_bw
[i
];
519 for (i
= 0; i
< I40E_MAX_TRAFFIC_CLASS
; i
++) {
520 if (dcbcfg
->etscfg
.prioritytable
[i
] == I40E_CEE_PGID_STRICT
) {
521 /* Map it to next empty TC */
522 dcbcfg
->etscfg
.prioritytable
[i
] =
523 cee_cfg
->oper_num_tc
- 1;
524 dcbcfg
->etscfg
.tsatable
[i
] = I40E_IEEE_TSA_STRICT
;
526 dcbcfg
->etscfg
.tsatable
[i
] = I40E_IEEE_TSA_ETS
;
530 /* CEE PFC data to ETS config */
531 dcbcfg
->pfc
.pfcenable
= cee_cfg
->oper_pfc_en
;
532 dcbcfg
->pfc
.pfccap
= I40E_MAX_TRAFFIC_CLASS
;
534 status
= (tlv_status
& I40E_AQC_CEE_APP_STATUS_MASK
) >>
535 I40E_AQC_CEE_APP_STATUS_SHIFT
;
536 err
= (status
& I40E_TLV_STATUS_ERR
) ? 1 : 0;
537 sync
= (status
& I40E_TLV_STATUS_SYNC
) ? 1 : 0;
538 oper
= (status
& I40E_TLV_STATUS_OPER
) ? 1 : 0;
539 /* Add APPs if Error is False and Oper/Sync is True */
540 if (!err
&& sync
&& oper
) {
541 /* CEE operating configuration supports FCoE/iSCSI/FIP only */
542 dcbcfg
->numapps
= I40E_CEE_OPER_MAX_APPS
;
545 dcbcfg
->app
[0].priority
=
546 (app_prio
& I40E_AQC_CEE_APP_FCOE_MASK
) >>
547 I40E_AQC_CEE_APP_FCOE_SHIFT
;
548 dcbcfg
->app
[0].selector
= I40E_APP_SEL_ETHTYPE
;
549 dcbcfg
->app
[0].protocolid
= I40E_APP_PROTOID_FCOE
;
552 dcbcfg
->app
[1].priority
=
553 (app_prio
& I40E_AQC_CEE_APP_ISCSI_MASK
) >>
554 I40E_AQC_CEE_APP_ISCSI_SHIFT
;
555 dcbcfg
->app
[1].selector
= I40E_APP_SEL_TCPIP
;
556 dcbcfg
->app
[1].protocolid
= I40E_APP_PROTOID_ISCSI
;
559 dcbcfg
->app
[2].priority
=
560 (app_prio
& I40E_AQC_CEE_APP_FIP_MASK
) >>
561 I40E_AQC_CEE_APP_FIP_SHIFT
;
562 dcbcfg
->app
[2].selector
= I40E_APP_SEL_ETHTYPE
;
563 dcbcfg
->app
[2].protocolid
= I40E_APP_PROTOID_FIP
;
568 * i40e_get_dcb_config
569 * @hw: pointer to the hw struct
571 * Get DCB configuration from the Firmware
573 i40e_status
i40e_get_dcb_config(struct i40e_hw
*hw
)
576 struct i40e_aqc_get_cee_dcb_cfg_resp cee_cfg
;
577 struct i40e_aqc_get_cee_dcb_cfg_v1_resp cee_v1_cfg
;
579 /* If Firmware version < v4.33 IEEE only */
580 if (((hw
->aq
.fw_maj_ver
== 4) && (hw
->aq
.fw_min_ver
< 33)) ||
581 (hw
->aq
.fw_maj_ver
< 4))
584 /* If Firmware version == v4.33 use old CEE struct */
585 if ((hw
->aq
.fw_maj_ver
== 4) && (hw
->aq
.fw_min_ver
== 33)) {
586 ret
= i40e_aq_get_cee_dcb_config(hw
, &cee_v1_cfg
,
587 sizeof(cee_v1_cfg
), NULL
);
590 hw
->local_dcbx_config
.dcbx_mode
= I40E_DCBX_MODE_CEE
;
591 i40e_cee_to_dcb_v1_config(&cee_v1_cfg
,
592 &hw
->local_dcbx_config
);
595 ret
= i40e_aq_get_cee_dcb_config(hw
, &cee_cfg
,
596 sizeof(cee_cfg
), NULL
);
599 hw
->local_dcbx_config
.dcbx_mode
= I40E_DCBX_MODE_CEE
;
600 i40e_cee_to_dcb_config(&cee_cfg
,
601 &hw
->local_dcbx_config
);
605 /* CEE mode not enabled try querying IEEE data */
606 if (hw
->aq
.asq_last_status
== I40E_AQ_RC_ENOENT
)
613 hw
->local_dcbx_config
.dcbx_mode
= I40E_DCBX_MODE_IEEE
;
614 /* Get Local DCB Config */
615 ret
= i40e_aq_get_dcb_config(hw
, I40E_AQ_LLDP_MIB_LOCAL
, 0,
616 &hw
->local_dcbx_config
);
620 /* Get Remote DCB Config */
621 ret
= i40e_aq_get_dcb_config(hw
, I40E_AQ_LLDP_MIB_REMOTE
,
622 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE
,
623 &hw
->remote_dcbx_config
);
624 /* Don't treat ENOENT as an error for Remote MIBs */
625 if (hw
->aq
.asq_last_status
== I40E_AQ_RC_ENOENT
)
634 * @hw: pointer to the hw struct
636 * Update DCB configuration from the Firmware
638 i40e_status
i40e_init_dcb(struct i40e_hw
*hw
)
641 struct i40e_lldp_variables lldp_cfg
;
644 if (!hw
->func_caps
.dcb
)
647 /* Read LLDP NVM area */
648 ret
= i40e_read_lldp_cfg(hw
, &lldp_cfg
);
652 /* Get the LLDP AdminStatus for the current port */
653 adminstatus
= lldp_cfg
.adminstatus
>> (hw
->port
* 4);
656 /* LLDP agent disabled */
658 hw
->dcbx_status
= I40E_DCBX_STATUS_DISABLED
;
662 /* Get DCBX status */
663 ret
= i40e_get_dcbx_status(hw
, &hw
->dcbx_status
);
667 /* Check the DCBX Status */
668 switch (hw
->dcbx_status
) {
669 case I40E_DCBX_STATUS_DONE
:
670 case I40E_DCBX_STATUS_IN_PROGRESS
:
671 /* Get current DCBX configuration */
672 ret
= i40e_get_dcb_config(hw
);
676 case I40E_DCBX_STATUS_DISABLED
:
678 case I40E_DCBX_STATUS_NOT_STARTED
:
679 case I40E_DCBX_STATUS_MULTIPLE_PEERS
:
684 /* Configure the LLDP MIB change event */
685 ret
= i40e_aq_cfg_lldp_mib_change_event(hw
, true, NULL
);
693 * i40e_read_lldp_cfg - read LLDP Configuration data from NVM
694 * @hw: pointer to the HW structure
695 * @lldp_cfg: pointer to hold lldp configuration variables
697 * Reads the LLDP configuration data from NVM
699 i40e_status
i40e_read_lldp_cfg(struct i40e_hw
*hw
,
700 struct i40e_lldp_variables
*lldp_cfg
)
703 u32 offset
= (2 * I40E_NVM_LLDP_CFG_PTR
);
706 return I40E_ERR_PARAM
;
708 ret
= i40e_acquire_nvm(hw
, I40E_RESOURCE_READ
);
712 ret
= i40e_aq_read_nvm(hw
, I40E_SR_EMP_MODULE_PTR
, offset
,
713 sizeof(struct i40e_lldp_variables
),
716 i40e_release_nvm(hw
);